I. ˈag-ˌnāt noun
Etymology: Latin agnatus, from past participle of agnasci to be born in addition to, from ad- + nasci to be born — more at nation
Date: 1534
1. : a relative whose kinship is traceable exclusively through males
2. : a paternal kinsman
II. adjective
Date: 1782
1. : allied , akin
2. : related through male descent or on the father's side
• ag·nat·ic ag-ˈna-tik adjective